package com.aaa.mapper;

import com.aaa.entity.Back_User;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.List;
import java.util.Map;


public interface BackUserMapper extends BaseMapper<Back_User> {
    @Select("select * from back_user where username=#{username}")
    List<Map<String,Object>> addAfter(@Param("username") String username);
}
